Assembly-type balance training device

ABSTRACT

An assembly-type balance training device includes a first block and a second block. The first block has a first front end and a first back end. The first front end has a first front groove and a first front protrusion protrudes outwardly as well as being adjacent to the first front groove in a predetermined distance. The second block has a second front end and second back end. The second back end has a second back groove and a second back protrusion protrudes outwardly as well as being adjacent to the second back groove in a predetermined distance. The first front protrusion of the first block is detachably pressed into the second back groove of the second block; the second back protrusion of the second block is detachably pressed into the first front groove of the first block so that the first block and the second block are assembled.

BACKGROUND

1. Technical Field

The technical field relates to a training device, more particularly to an assembly-type balance training device.

2. Related Art

Since children's body and brain are developing, using proper environment and device for training can be benefit to the children's development.

The common training device seldom trains the sense of balance of children. Therefore, children can only teach themselves slowly in the surrounding environment. However, safe can be guaranteed in surrounding environment, where children are easily got injured. Therefore, balance beam is created.

Nowadays, the balance beam can be classified as follows:

1. Integrally formed balance beam. This kind of balance beam is bulky, so even though it is more stable in using compared to others, the storage and transportation of the integrally formed balance beam are still inconvenient.

2. Multiple small pieces of balance beam placed side by side or separately on the ground for children walking thereon to train the sense of balance. However, since each of the balance beams are separately placed, the single unit of the balance beams is light weighted and easy to be disengaged with other pieces of balance beam, which causes danger to the user due to the instability.

3. Bridges are provided among small pieces of balance beam for children being trained sense of balance thereon. However, the connection between the bridges and the balance beam units is unstable, even more, simply placing the bridges on the balance beam units, which is very dangerous to children to walk on the extremely unstable bridges.

Therefore, it is very important for the present invention to provide an easy assemble/disassemble balance beam structure. After the single balance beam units are assembled, a very stable balance training device is obtained, while each single balance beam is small in volume and easy to store and transport after the balance training device being disassembled.

BRIEF SUMMARY

A preferred embodiment of the present invention provides an assembly-type balance training device for children walking thereon to train their sense of balance. Since the assembly structure is very simple, the children can assemble the device by themselves. Moreover, the structure of the device after being assembled is very stable and safe to use, which can not only train the sense of balance of children, but also improve the hand coordination and the development of the left and right brains of children. Furthermore, the present device can provide blocks with different difficulties according to the children's training progress to help the children to increase the training intensity.

A preferred embodiment of the present invention provides an assembly-type balance training device which comprises: a first block, including a first front end and a first back end facing an opposite direction of the first front end; the first front end is formed with a first front groove concaved inwardly and a first front protrusion protrudes outwardly and is adjacent to the first front groove in a predetermined distance; an opening width of the first front groove is smaller than a groove width of the first front groove; a base width of the first front protrusion is smaller than a body width of the first front protrusion; a second block, including a second front end and a second back end facing an opposite direction of the second front end; the second front end is formed with a second front groove concaved inwardly and a second front protrusion protrudes outwardly and is adjacent to the second front groove in a predetermined distance; an opening width of the second front groove is smaller than a groove width of the second front groove; a base width of the second front protrusion is smaller than a body width of the second front protrusion. Wherein, the first front protrusion of the first block is detachably pressed into the second back groove of the second block, the second back protrusion of the second block is detachably pressed into the first front groove of the first block, so that the first block and the second block are connected to each other.

In the aforementioned assembly-type balance training device, wherein the first block and the second block are formed in rectangle shape, curve shape, or square shape.

In the aforementioned assembly-type balance training device, wherein the first front groove is an arc shaped groove, and the first front protrusion is an arc shaped protrusion; the second front groove is an arc shaped groove, and the second front protrusion is an arc shaped protrusion.

The aforementioned assembly-type balance training device further comprises at least a panel, the panel is disposed on a top surface of the first block, wherein two sides of a bottom surface of the panel are respectively formed with a clamping portion curved inwardly, two sides of the top surface of the first block are respectively formed with a first clamping groove concaved inwardly, the clamping portion of the panel clamps the first clamping groove of the first block.

The aforementioned assembly-type balance training device further comprises at least a panel, the panel is disposed on a top surface of the second block, wherein two sides of a bottom surface of the panel are respectively formed with a clamping portion curved inwardly, two sides of the top surface of the second block are respectively formed with a second clamping groove concaved inwardly, the clamping portion of the panel clamps the second clamping groove of the second block.

In the assembly-type balance training device, wherein the first back end of the first block is formed with a first back groove concaved inwardly and a first back protrusion protruding outwardly and is adjacent to the first back groove in a predetermined distance; an opening width of the first back groove is smaller than a groove width of the first back groove; a base width of the first back protrusion is smaller than a body width of the first back protrusion; the second front end of the second block is formed with a second front groove concaved inwardly and a second front protrusion protruding outwardly and is adjacent to the second front groove in a predetermined distance; an opening width of the second front groove is smaller than a groove width of the second front groove; a base width of the second front protrusion is smaller than a body width of the second front protrusion.

In the assembly-type balance training device, wherein the first back groove is an arc shaped groove, and the first back protrusion is an arc shaped protrusion; the second back groove is an arc shaped groove, and the second back protrusion is an arc shaped protrusion.

Another preferred embodiment of the present invention provides an assembly-type balance training device which comprises: a first block, including a first front end and a first back end facing an opposite direction of the first front end; the first front end is formed with two first front protrusions adjacent to each other in a predetermined distance and protrude outwardly; a base width of the first front protrusions is smaller than a body width of the first front protrusions; a second block, including a second front end and a second back end facing an opposite direction of the second front end; the second back end is formed with two second back grooves adjacent to each other in a predetermined distance and are concaved inwardly; an opening width of the second back grooves is smaller than a width of the second back grooves. Wherein, the first front protrusions of the first block are detachably pressed into the second back grooves of the second block, so that the first block and the second block are connected to each other.

In the assembly-type balance training device, wherein the first block and the second block are formed in rectangle shape, curve shape, or square shape.

In the assembly-type balance training device, wherein the first front protrusions are arc shaped protrusions, and the second back grooves are arc shaped grooves.

The aforementioned assembly-type balance training device further comprises at least a panel, the panel is disposed on a top surface of the first block, wherein two sides of a bottom surface of the panel are respectively formed with a clamping portion curved inwardly, two sides of the top surface of the first block are respectively formed with a first clamping groove concaved inwardly, the clamping portion of the panel clamps the first clamping groove of the first block.

The aforementioned assembly-type balance training device further comprises at least a panel, the panel is disposed on a top surface of the second block, wherein two sides of a bottom surface of the panel are respectively formed with a clamping portion curved inwardly, two sides of the top surface of the second block are respectively formed with a second clamping groove concaved inwardly, the clamping portion of the panel clamps the second clamping groove of the second block.

In the assembly-type balance training device, wherein the first back end of the first block is formed with two first back protrusions adjacent to each other in a predetermined distance and are protruded outwardly; a base width of the two first back protrusions are smaller than a body width of the first back protrusions; the second front end of the second block is formed with two second front grooves adjacent to each other in a predetermined distance and are concaved inwardly; an opening width of the second front grooves are smaller than a groove width of the second front grooves.

In the aforementioned assembly-type balance training device, wherein the first back protrusions are arc shaped protrusions, and the second front grooves are arc shaped grooves.

Still another preferred embodiment of the present invention provides an assembly-type balance training device which comprises: a first block, including a first front end and a first back end facing an opposite direction of the first front end; the first front end is formed with two first front grooves adjacent to each other in a predetermined distance and concaved inwardly; an opening width of the first front grooves is smaller than a width of the first front grooves; a second block, including a second front end and a second back end facing an opposite direction of the second front end; the second back end is formed with two second back grooves adjacent to each other in a predetermined distance and concaved inwardly; an opening width of the second back grooves is smaller than a width of the second back grooves; at least a connector, including a front protrusion protruded outwardly and a back protrusion facing an opposite direction of the front protrusion, a base width of the front protrusion is smaller than a body width of the front protrusion, a base width of the back protrusion is smaller than a body width of the back protrusion; wherein, the back protrusion of the connector is detachably pressed into the first front groove of the first block, the front protrusion of the connector is detachably pressed into the second back groove of the second block, so that the first block and the second block are connected to each other.

In the aforementioned assembly-type balance training device, wherein the first block and the second block are formed in rectangle shape, curve shape, or square shape.

In the aforementioned assembly-type balance training device, wherein the first front groove is an arc shaped groove; the second back groove is an arc shaped groove; the front protrusion is an arc shaped protrusion; the back protrusion is an arc shaped protrusion.

The aforementioned assembly-type balance training device further comprises at least a panel, the panel is disposed on a top surface of the first block, wherein two sides of a bottom surface of the panel are respectively formed with a clamping portion curved inwardly, two sides of the top surface of the first block are respectively formed with a first clamping groove concaved inwardly, the clamping portion of the panel clamps the first clamping groove of the first block.

The aforementioned assembly-type balance training device further comprises at least a panel, the panel is disposed on a top surface of the second block, wherein two sides of a bottom surface of the panel are respectively formed with a clamping portion curved inwardly, two sides of the top surface of the second block are respectively formed with a second clamping groove concaved inwardly, the clamping portion of the panel clamps the second clamping groove of the second block.

In the aforementioned assembly-type balance training device, wherein the first back end is formed with two first back grooves adjacent to each other in a predetermined distance and concaved inwardly; an opening width of the first back grooves is smaller than a width of the first back grooves; the second front end is formed with two second front grooves adjacent to each other in a predetermined distance and concaved inwardly; an opening width of the second front grooves is smaller than a width of the second front grooves.

Children can walk on the first block and the second block of the aforementioned assembly-type balance training device after the first block and the second block being assembled to train their sense of balance. Since the assembly structure is very simple, the children can assemble the device by themselves. Moreover, the structure of the device after being assembled is very stable and safe to use, which can not only train the sense of balance of children, but also improve the hand coordination and the development of the left and right brains of children. Furthermore, the present device can provide blocks with different difficulties according to the children's training progress to help the children to increase the training intensity.

BRIEF DESCRIPTION OF THE DRAWINGS

These and other features and advantages of the various embodiments disclosed herein will be better understood with respect to the following description and drawings, in which like numbers refer to like parts throughout, and in which:

FIG. 1 is an exploded perspective view of a first preferred embodiment according to the present invention;

FIG. 2 is a three-dimensional assembly diagram of FIG. 1;

FIG. 3 is a top view assembly diagram of FIG. 1;

FIG. 4 is a unit diagram of FIG. 1;

FIG. 5 is a sectional view of FIG. 1;

FIG. 6 is another sectional view of FIG. 1;

FIG. 7 is a schematic diagram of FIG. 1 in operation;

FIG. 8 is an exploded top view of a second preferred embodiment according to the present invention;

FIG. 9 is a three-dimensional assembly diagram of FIG. 8;

FIG. 10 is a top view assembly diagram of FIG. 8;

FIG. 11 is a schematic diagram of FIG. 8 in operation;

FIG. 12 is an exploded perspective view of a third preferred embodiment according to the present invention;

FIG. 13 is an exploded top view of FIG. 12;

FIG. 14 is a three-dimensional assembly diagram of FIG. 12;

FIG. 15 is a schematic view of the present invention when in use; and

FIG. 16 is another schematic view of the present invention when in use.

DETAILED DESCRIPTION

Referred to FIGS. 1-7, the first preferred embodiment of the assembly-type balance training device 100 includes a first block 10 and a second block 20.

Please refer to FIG. 1, the first block 10 is a rectangle block. The first block 10 can define a first front end 11 and a first back end 12 on the back of the first front end 11. The first front end 11 has a first front groove 111 concaved inwardly, and a first front protrusion 112 protrudes outwardly and is adjacent to the first front groove 111 in a predetermined distance. The first front groove 111 is an arc shaped groove, and the opening width of the first front groove 111 is smaller than the width of the first front groove 111. The first front protrusion 112 is an arc shaped protrusion, and the base width of the first front protrusion 112 is smaller than the body width of the first front protrusion 112.

Please refer to FIG. 1, the second block 20 is a rectangle block. The second block 20 can define a second front end 21 and a second back end 22 on the back of the second front end 21. The second back end 22 has a second back groove 221 concaved inwardly, and a second back protrusion 222 protrudes outwardly and is adjacent to the second back groove 221 in a predetermined distance. The second back groove 221 is an arc shaped groove, and the opening width of the second back groove 221 is smaller than the width of the second back groove 221. The second back protrusion 222 is an arc shaped protrusion, and the base width of the second back protrusion 222 is smaller than the body width of the second back protrusion 222. The second back groove 221 of the second block 20 is at a corresponding position as the first front protrusion 112 of the first block 10. The second back protrusion 222 of the second block 20 is at a corresponding position as the first front groove 111 of the first block 10.

The aforementioned is a description of each element in the first preferred embodiment of the assembly-type balance training device 100. The assembling method and the feature of the assembly-type balance training device 100 are described as follows:

In the first preferred embodiment, although the first block 10 and the second block 20 are rectangle block, one skilled in the art can easily understand that the block 10/20 can also be formed in other shape.

When using the aforementioned assembly-type balance training device 100, the first front end 11 of the first block 10 is faced to the second back end 22 of the second block 20, and the first front protrusion 112 of the first block 10 is detachably and slightly pressed into the second back groove 221 of the second block 20. Meanwhile, the second back protrusion 222 of the second block 20 is detachably pressed into the first front groove 111 of the first block 10 (as shown in FIGS. 2 and 3), so as to complete the assembling process.

As such, children can walk on the assembled first block 10 and the second block 20 to train the sense of balance.

Besides, the assembly-type balance training device 100 according to the present invention can also be assembled by the children, which can not only train the sense of balance of children, but also improve the hand coordination and the development of the left and right brains of children.

In the aforementioned embodiment, the top surface of the first block 10 has bump lines 13, and the top surface of the second block 20 also has bump lines 23. These bump lines 13/23 can increase the friction to prevent children from slipping, as well as stimulate the bottom of the feet of the children.

Besides, the preferred embodiment of the present invention further includes at least a panel 30. The panel 30 can be installed on the top surface of the first block 10 (as shown in FIG. 4). The panel 30 can provide different softness, texture, and treads. Moreover, the number of the panel 30 can be plural, and the panels 30 can be installed on the top surface of the first block 10 and the second block 20, respectively.

Two sides of the bottom surface of the aforementioned panel 30 have a clamping portion 31 curved inwardly. Two sides of the top surface of the first block 10 have a first clamping groove 14 concaved inwardly. The clamping portion 31 of the panel 30 clamps the first clamping groove 14 of the first block 10 (as shown in FIG. 5) to steadily fix each other. Of course, two sides of the top surface of the second block 20 can also have a second clamping groove 24 concaved inwardly to be connected to the panel 30 (as shown in FIG. 6).

In the aforementioned embodiment, as shown in FIG. 1, the first back end 12 of the first block 10 has a first back groove 121 concaved inwardly and a first back protrusion 122 protrudes outwardly and adjacent to the first back groove 121 in a predetermined distance. The first back groove 121 is an arc shaped groove, and the opening width of the first back groove 121 is smaller than the width of the first back groove 121. The first back protrusion 122 is an arc shaped protrusion, and the base width of the first back protrusion 122 is smaller than the body width of the first back protrusion 122. The second front end 21 of the second block 20 has a second front groove 211 concaved inwardly and a second front protrusion 212 protrudes outwardly and adjacent to the second front groove 211 in a predetermined distance. The second front groove 211 is an arc shaped groove, and the opening width of the second front groove 211 is smaller than the width of the second front groove 211. The second front protrusion 212 is an arc shaped protrusion, and the base width of the second front protrusion 212 is smaller than the body width of the second front protrusion 212. The second front groove 211 of the second block 20 is at a corresponding position as the first back protrusion 122 of the first block 10, and the second front protrusion 212 of the second block 20 is at a corresponding position as the first back groove 121 of the first block 10. Therefore, the preferred embodiment of the present invention can assemble a plurality of first blocks 10 and second blocks 20, as shown in FIG. 7, or adjust the length of the assembly-type balance training device 100 according to the children's progress to achieve better effect.

Please refer to FIGS. 8-11, the second preferred embodiment of the assembly-type balance training device 200 includes a first block 40 and a second block 50.

Please refer to FIG. 8, the first block 40 is a rectangle block. The first block 40 can define a first front end 41 and a first back end 42 on the back of the first front end 41. The first front end 41 has two first front protrusions 411 protruded outwardly and being adjacent to each other in a predetermined distance. The first front protrusions 411 are arc shaped protrusions, and the base width of the first front protrusions 411 is smaller than the body width of the first front protrusion 411.

Please refer to FIG. 8, the second block 50 is a rectangle block. The second block 50 can define a second front end 51 and a second back end 52 on the back of the second front end 51. The second back end 52 has two second back grooves 521 concaved inwardly and being adjacent to each other in a predetermined distance. The second back grooves 521 are arc shaped grooves, and the opening width of the second back groove 521 is smaller than the width of the second back grooves 521.

The aforementioned is a description of each element in the first preferred embodiment of the assembly-type balance training device 200. The assembling method and the feature of the assembly-type balance training device 200 are described as follows:

When using the aforementioned assembly-type balance training device 200, the first front end 41 of the first block 40 is faced to the second back end 52 of the second block 50, and each of the first front protrusions 411 of the first block 40 is detachably and slightly pressed into each of the second back grooves 521 of the second block 50 (as shown in FIGS. 9 and 10), so as to complete the assembling process.

As such, children can walk on the assembled first block 10 and the second block 20 to train the sense of balance when walking straight. Furthermore, the arc shaped second block 50 can also train children's sense of balance when making a turn.

In the present embodiment, the first back end 42 of the first block 40 has a slope for user's convenience to step on and off. Besides, in the aforementioned embodiment, the first back end 42 of the first block 40 can also has two first back protrusions (not shown in the FIGS.) protruded outwardly and being adjacent to each other in a predetermined distance. The first back protrusions are arc shaped protrusions, and the base width of the first back protrusions is smaller than the body width of the first back protrusions. The second front end 51 of the second block 50 has two second front grooves 511 concaved inwardly and being adjacent to each other in a predetermined distance. The second front grooves 511 are arc shaped grooves, and the opening width of the second front grooves 511 is smaller than the width of the second front grooves 511. Therefore, the preferred embodiment of the present invention can assemble a plurality of first blocks 40 and second blocks 50, as shown in FIG. 11, or adjust the length of the assembly-type balance training device 200 according to the children's progress to achieve better effect.

In the second preferred embodiment, although the first block 40 is a rectangle block, and the second block is an arc shaped block, one skilled in the art can easily understand that the block 40/50 can also be formed in other shape.

Please refer to FIGS. 12-14, the third preferred embodiment of the assembly-type balance training device 300 includes a first block 60, a second block 70, and two connectors 80.

Please refer to FIGS. 12 and 13, the first block 60 is a rectangle block. The first block 60 can define a first front end 61 and a first back end 62 on the back of the first front end 61. The first front end 61 has two first front grooves 611 concaved inwardly and being adjacent to each other in a predetermined distance. The first front grooves 611 are arc shaped grooves, and the opening width of the first front grooves 611 is smaller than the width of the first front grooves 611. The first back end 62 has two first back grooves 621 concaved inwardly and being adjacent to each other in a predetermined distance. The first back grooves 621 are arc shaped grooves, and the opening width of the first back grooves 621 is smaller than the width of the first back grooves 621.

Please refer to FIGS. 12 and 13, the second block 70 is a rectangle block. The second block 70 can define a second front end 71 and a second back end 72 on the back of the second front end 71. The second front end 71 has two second front grooves 711 concaved inwardly and being adjacent to each other in a predetermined distance. The second front grooves 711 are arc shaped grooves, and the opening width of the second front grooves 711 is smaller than the width of the second front grooves 711. The second back end 72 has two second back grooves 721 concaved inwardly and being adjacent to each other in a predetermined distance. The second back grooves 721 are arc shaped grooves, and the opening width of the second back grooves 721 is smaller than the width of the second back grooves 721.

Please refer to FIGS. 12 and 13, the connector 80 has a front protrusion 81 protruded outwardly and a back protrusion 82 on the back of the front protrusion 81. The front protrusion 81 is an arc shaped protrusion, and the base width of the front protrusion 81 is smaller than the body width of the front protrusion 81. The back protrusion 82 is an arc shaped protrusion, and the base width of the back protrusion 82 is smaller than the body width of the back protrusion 82.

The aforementioned is a description of each element in the first preferred embodiment of the assembly-type balance training device 200. The assembling method and the feature of the assembly-type balance training device 200 are described as follows:

When using the aforementioned assembly-type balance training device 300, the back protrusion 82 of the connector 80 is slightly pressed into the first front groove 611 of the first block 60, and the front protrusion 81 of the connector 80 is slightly pressed into the second back groove 721 of the second block 70 (as shown in FIG. 14), so as to complete the assembling process.

As such, even though the assembling type of this embodiment is different from the previous embodiments, same effect can be achieved as well.

Besides, as shown in FIG. 16, the present invention can also combine the first, the second, and the third embodiments to have more variation on the assembling type.

Moreover, although the first block and the second block are rectangle block or arc shaped block, the blocks can also be formed in square or other shape.

FIG. 16 shows a user 91 (such as a child) being trained on the assembly-type balance training device according to the present invention.

Although the present invention has been described with reference to the foregoing preferred embodiments, it will be understood that the invention is not limited to the details thereof. Various equivalent variations and modifications can still occur to those skilled in this art in view of the teachings of the present invention. Thus, all such variations and equivalent modifications are also embraced within the scope of the invention as defined in the appended claims. 

What is claimed is:
 1. An assembly-type balance training device, comprising: a first block, including a first front end and a first back end facing an opposite direction of the first front end; the first front end being formed with a first front groove concaved inwardly and a first front protrusion protruding outwardly and being adjacent to the first front groove in a predetermined distance; an opening width of the first front groove being smaller than a groove width of the first front groove; a base width of the first front protrusion being smaller than a body width of the first front protrusion; a second block, including a second front end and a second back end facing an opposite direction of the second front end; the second front end being formed with a second front groove concaved inwardly and a second front protrusion protruding outwardly and being adjacent to the second front groove in a predetermined distance; an opening width of the second front groove being smaller than a groove width of the second front groove; a base width of the second front protrusion being smaller than a body width of the second front protrusion; wherein the first front protrusion of the first block is detachably pressed into the second back groove of the second block, the second back protrusion of the second block is detachably pressed into the first front groove of the first block, so that the first block and the second block are connected to each other.
 2. The assembly-type balance training device according to claim 1, wherein the first block and the second block are formed in rectangle shape, curve shape, or square shape.
 3. The assembly-type balance training device according to claim 1, wherein the first front groove is an arc shaped groove, and the first front protrusion is an arc shaped protrusion; the second front groove is a an arc shaped groove, and the second front protrusion is an arc shaped protrusion.
 4. The assembly-type balance training device according to claim 1 further comprising at least a panel, the panel being disposed on a top surface of the first block, wherein two sides of a bottom surface of the panel are respectively formed with a clamping portion curved inwardly, two sides of the top surface of the first block are respectively formed with a first clamping groove concaved inwardly, the clamping portion of the panel clamps the first clamping groove of the first block.
 5. The assembly-type balance training device according to claim 1 further comprising at least a panel, the panel being disposed on a top surface of the second block, wherein two sides of a bottom surface of the panel are respectively formed with a clamping portion curved inwardly, two sides of the top surface of the second block are respectively formed with a second clamping groove concaved inwardly, the clamping portion of the panel clamps the second clamping groove of the second block.
 6. The assembly-type balance training device according to claim 1, wherein the first back end of the first block is formed with a first back groove concaved inwardly and a first back protrusion protruding outwardly and is adjacent to the first back groove in a predetermined distance; an opening width of the first back groove is smaller than a groove width of the first back groove; a base width of the first back protrusion is smaller than a body width of the first back protrusion; the second front end of the second block is formed with a second front groove concaved inwardly and a second front protrusion protruding outwardly and is adjacent to the second front groove in a predetermined distance; an opening width of the second front groove is smaller than a groove width of the second front groove; a base width of the second front protrusion is smaller than a body width of the second front protrusion.
 7. The assembly-type balance training device according to claim 6, wherein the first back groove is an arc shaped groove, and the first back protrusion is an arc shaped protrusion; the second back groove is a an arc shaped groove, and the second back protrusion is an arc shaped protrusion.
 8. An assembly-type balance training device, comprising: a first block, including a first front end and a first back end facing an opposite direction of the first front end; the first front end being formed with two first front protrusions adjacent to each other in a predetermined distance and protruding outwardly; a base width of the first front protrusions being smaller than a body width of the first front protrusion; a second block, including a second front end and a second back end facing an opposite direction of the second front end; the second back end being formed with two second back grooves adjacent to each other in a predetermined distance and concaved inwardly; an opening width of the second back grooves being smaller than a width of the second back grooves; wherein the first front protrusions of the first block are detachably pressed into the second back grooves of the second block, so that the first block and the second block are connected to each other.
 9. The assembly-type balance training device according to claim 8, wherein the first block and the second block are formed in rectangle shape, curve shape, or square shape.
 10. The assembly-type balance training device according to claim 8, wherein the first front protrusions are arc shaped protrusions, and the second back grooves are arc shaped grooves.
 11. The assembly-type balance training device according to claim 8 further comprising at least a panel, the panel being disposed on a top surface of the first block, wherein two sides of a bottom surface of the panel are respectively formed with a clamping portion curved inwardly, two sides of the top surface of the first block are respectively formed with a first clamping groove concaved inwardly, the clamping portion of the panel clamps the first clamping groove of the first block.
 12. The assembly-type balance training device according to claim 8 further comprising at least a panel, the panel being disposed on a top surface of the second block, wherein two sides of a bottom surface of the panel are respectively formed with a clamping portion curved inwardly, two sides of the top surface of the second block are respectively formed with a second clamping groove concaved inwardly, the clamping portion of the panel clamps the second clamping groove of the second block.
 13. The assembly-type balance training device according to claim 8, wherein the first back end of the first block is formed with two first back protrusions adjacent to each other in a predetermined distance and are protruded outwardly; a base width of the two first back protrusions are smaller than a body width of the first back protrusions; the second front end of the second block is formed with two second front grooves adjacent to each other in a predetermined distance and are concaved inwardly; an opening width of the second front grooves are smaller than a groove width of the second front grooves.
 14. The assembly-type balance training device according to claim 13, wherein the first back protrusions are arc shaped protrusions, and the second front grooves are arc shaped grooves.
 15. An assembly-type balance training device, comprising: a first block, including a first front end and a first back end facing an opposite direction of the first front end; the first front end being formed with two first front grooves adjacent to each other in a predetermined distance and concaved inwardly; an opening width of the first front grooves being smaller than a width of the first front grooves; a second block, including a second front end and a second back end facing an opposite direction of the second front end; the second back end being formed with two second back grooves adjacent to each other in a predetermined distance and concaved inwardly; an opening width of the second back grooves being smaller than a width of the second back grooves; at least a connector, including a front protrusion protruded outwardly and a back protrusion facing an opposite direction of the front protrusion, a base width of the front protrusion being smaller than a body width of the front protrusion, a base width of the back protrusion being smaller than a body width of the back protrusion; wherein the back protrusion of the connector is detachably pressed into the first front groove of the first block, the front protrusion of the connector is detachably pressed into the second back groove of the second block, so that the first block and the second block are connected to each other.
 16. The assembly-type balance training device according to claim 15, wherein the first block and the second block are formed in rectangle shape, curve shape, or square shape.
 17. The assembly-type balance training device according to claim 15, wherein the first front groove is an arc shaped groove; the second back groove is an arc shaped groove; the front protrusion is an arc shaped protrusion; the back protrusion is an arc shaped protrusion.
 18. The assembly-type balance training device according to claim 15 further comprising at least a panel, the panel being disposed on a top surface of the first block, wherein two sides of a bottom surface of the panel are respectively formed with a clamping portion curved inwardly, two sides of the top surface of the first block are respectively formed with a first clamping groove concaved inwardly, the clamping portion of the panel clamps the first clamping groove of the first block.
 19. The assembly-type balance training device according to claim 15 further comprising at least a panel, the panel being disposed on a top surface of the second block, wherein two sides of a bottom surface of the panel are respectively formed with a clamping portion curved inwardly, two sides of the top surface of the second block are respectively formed with a second clamping groove concaved inwardly, the clamping portion of the panel clamps the second clamping groove of the second block.
 20. The assembly-type balance training device according to claim 15, wherein the first back end is formed with two first back grooves adjacent to each other in a predetermined distance and concaved inwardly; an opening width of the first back grooves is smaller than a width of the first back grooves; the second front end is formed with two second front grooves adjacent to each other in a predetermined distance and concaved inwardly; an opening width of the second front grooves is smaller than a width of the second front grooves. 